Clarkia vs Parasol Tree Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Clarkia

Clarkia

Clarkia unguiculata

VS
Parasol Tree

Parasol Tree

Heptapleurum actinophyllum (syn. Schefflera actinophylla)

Clarkia

Clarkia

Clarkia unguiculata

Clarkia unguiculata, also known as Elegant Clarkia or Mountain Garland, is an annual wildflower native to California. It typically grows to a height of 30-90 cm. It features slender stems and cup-shaped flowers with four petals, often in shades of pink, purple, or white. While it's a beautiful garden plant, it's primarily an outdoor species and not well-suited for indoor cultivation due to its high light requirements and need for air circulation. People grow it for its showy flowers and to attract pollinators to their gardens.

Onagraceae California, USA
✨ Features: Attracts pollinators, showy flowers
📖 Read Complete Clarkia Guide
Parasol Tree

Parasol Tree

Heptapleurum actinophyllum (syn. Schefflera actinophylla)

The Parasol Tree, or Umbrella Tree, is a fast-growing evergreen tree or shrub known for its distinctive palmate leaves that resemble an umbrella. In its native habitat, it can reach heights of up to 50 feet. It features multiple leaflets radiating from a central point, creating a visually striking effect. While primarily an outdoor plant, it is sometimes grown indoors as a houseplant, though it requires significant space and bright light to thrive. People grow it for its lush, tropical appearance and architectural form.

Araliaceae Australia, New Guinea, Java
✨ Features: Attractive foliage, air purifying qualities (though not extensively studied).
📖 Read Complete Parasol Tree Guide

Quick Plant Comparison

Feature Clarkia Parasol Tree
Light Full sun (at least 6-8 hours of direct sunlight daily) Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight for optimal growth.
Watering Every 2-3 days in hot weather, every 5-7 days in cooler weather, depending on soil drainage and sunlight exposure. Every 7-14 days, depending on environmental conditions and pot size.
Humidity 30-50% 40-60%
Temperature 15-24°C 18-24°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height N/A (Outdoor plant, not suitable for indoor growing) 2-3 meters (indoors, if conditions are ideal)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, sandy loam is ideal Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5-10 minutes weekly (deadheading, watering) 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Clarkia

Scientific Name Clarkia unguiculata
Family Onagraceae
Native To California, USA
Also Known As Elegant Clarkia, Mountain Garland
Leaves The leaves are lance-shaped, alternate, and typically 2-7 cm long. They are a light green color and have smooth edges.
Flowers Does not flower indoors. Outdoors, it produces cup-shaped flowers with four petals, often in shades of pink, purple, or white. The flowers are approximately 2-5 cm in diameter and bloom in spring and summer.

Parasol Tree

Scientific Name Heptapleurum actinophyllum (syn. Schefflera actinophylla)
Family Araliaceae
Native To Australia, New Guinea, Java
Also Known As Umbrella Tree, Octopus Tree, Amate
Leaves The leaves are palmate, meaning they have multiple leaflets radiating from a central point, resembling an umbrella. The leaflets are typically glossy green, oblong to lance-shaped, and can be up to 20 cm long. New growth may have a reddish tint.
Flowers Rarely flowers indoors. When it does flower outdoors, it produces long, drooping racemes of small, red flowers.

📏 Size & Growth — Plant Comparison

Clarkia

Height N/A (Outdoor plant, not suitable for indoor growing)
Spread N/A (Outdoor plant, not suitable for indoor growing)
Growth Rate Fast
Growth Pattern Upright, branching annual with slender stems.

Parasol Tree

Height 2-3 meters (indoors, if conditions are ideal)
Spread 1-2 meters (indoors)
Growth Rate Fast
Growth Pattern Upright, tree-like growth habit. Can become quite large and bushy with proper care and pruning. In its native habitat, it grows into a large tree, but indoors it can be maintained at a smaller size.

🌱 Propagation — Comparing Plant Growth

Clarkia

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden in early spring or fall. Lightly cover the seeds with soil and keep moist until germination.

Parasol Tree

Methods: Stem cuttings, Air layering, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Use rooting hormone and provide warmth and humidity. Air layering is also effective for larger plants.

✨ Benefits & Features — Comparing Plant Value

Clarkia

Clarkia's cup-shaped flowers and slender stems create a delicate and elegant appearance. It is a California native wildflower, making it a great choice for native plant gardens. The flowers come in a variety of colors, including pink, purple, and white.

  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Adds vibrant color to the garden
  • ✓ Provides a natural and informal aesthetic
  • ✓ Easy to grow from seed
  • ✓ Supports local ecosystems
  • ⚠️ Toxic to pets

Parasol Tree

The palmate leaves that resemble an umbrella are the most distinctive feature. Its rapid growth rate and potential to become a large tree set it apart from many other houseplants.

  • ✓ Adds a tropical aesthetic to your home.
  • ✓ Can improve indoor air quality (though not a significant air purifier).
  • ✓ Provides a sense of connection to nature.
  • ✓ Can be a rewarding challenge for experienced plant owners.
  • ✓ Offers a unique architectural element to indoor spaces.
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Clarkia

Repotting N/A (Not applicable for outdoor annuals)
Pruning Deadhead spent flowers to encourage more blooms.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In spring, sow seeds directly into the garden. In summer, water regularly and deadhead spent flowers to encourage more blooms. In fall, collect seeds for next year's planting. In winter, the plant will die back.

Parasol Tree

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Regular pruning to maintain shape and size. Prune in spring or summer.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter during dormancy. Provide supplemental light if needed. Increase watering and fertilizing during the growing season (spring and summer).

🌞 Light Requirements

Clarkia

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Parasol Tree

Bright, indirect light to full sun. Requires at least 6 hours of direct sunlight for optimal growth.

Low light tolerant: ❌ No

💧 Watering Needs

Clarkia

Water regularly, especially during dry periods, to keep the soil consistently moist but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Overwatering can lead to root rot, while underwatering can cause wilting and reduced flowering.

Parasol Tree

Water thoroughly when the top inch of soil feels dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in drooping leaves and dry, crispy edges.

🌡️ Temperature & Humidity

Clarkia

Temperature: 15-24°C

Humidity: 30-50%

Parasol Tree

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Clarkia

Clarkia

Clarkia unguiculata
Care: Expert Time: 5-10 minutes weekly (deadheading, watering) Beginner: No

Gardeners looking to add vibrant color and attract pollinators to their outdoor spaces.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You love vibrant, colorful wildflowers.
  • You have a sunny garden space.
  • You enjoy easy-to-grow annuals.
  • You want to create a cottage garden aesthetic.

❌ Skip This Plant If...

  • You only have indoor growing space.
  • You are looking for a low-maintenance houseplant.
  • You have pets that might ingest the plant.
📍 Ideal Location: Outdoor garden, wildflower meadow
🎨 Style: Cottagecore, Bohemian, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Clarkia species contain cucurbitacins which are toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset (vomiting, diarrhea), and dermatitis.
Parasol Tree

Parasol Tree

Heptapleurum actinophyllum (syn. Schefflera actinophylla)
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts with bright, spacious indoor environments or those living in warm climates suitable for outdoor cultivation.

✅ Choose This Plant If...

  • You want a statement plant with a tropical look.
  • You have a very bright, sunny indoor space.
  • You enjoy regular pruning and shaping of plants.
  • You live in a warm climate where it can be grown outdoors.
  • You are an experienced plant owner looking for a challenge.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You have limited space or low light conditions.
  • You are a beginner plant owner.
  • You dislike frequent pruning.
  • You are sensitive to potential allergens (though not a common allergen).
📍 Ideal Location: Sunroom, conservatory, or any room with large, south-facing windows.
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Limited
🌬️ Air Purifying: Yes (NASA verified)
⚠️ Toxic to dogs, cats, and horses. Contains calcium oxalates. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing. All parts of the plant are toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Clarkia Care Tips

Clarkia is an outdoor plant that requires full sun and well-draining soil. It's not suitable for indoor growing due to its high light and air circulation needs. Attempting to grow it indoors will likely result in leggy growth, poor flowering, and susceptibility to pests and diseases.

  • Sow seeds directly into the garden in early spring or fall for best results.
  • Ensure well-draining soil to prevent root rot.
  • Water regularly, especially during dry periods.
  • Deadhead spent flowers to encourage more blooms.
  • Provide full sun for optimal flowering.
❄️ Winter: The plant is an annual and will die back in winter. Collect seeds for next year's planting.
☀️ Summer: Water regularly, especially during dry periods. Deadhead spent flowers to encourage more blooms. Provide full sun for optimal flowering.

Parasol Tree Care Tips

The Parasol Tree is challenging to grow indoors due to its high light requirements and potential for rapid growth. It needs ample space, bright light, and careful watering to thrive. Regular pruning is necessary to maintain its shape and size. Susceptible to pests.

  • Provide ample bright light to prevent leggy growth.
  • Water thoroughly but allow the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season.
  • Prune regularly to maintain shape and size.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Provide supplemental light if needed.
☀️ Summer: Water more frequently during the summer months as the plant's growth increases. Provide adequate ventilation to prevent fungal diseases. Protect from intense afternoon sun to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Clarkia

Common Issues: Powdery mildew, aphids, root rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering.

Parasol Tree

Common Issues: Spider mites, Scale, Root rot, Leaf drop
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Scale: Remove manually or treat with horticultural oil. Root rot: Improve drainage and reduce watering frequency. Leaf drop: Ensure adequate light and consistent watering.

❓ Frequently Asked Questions — Comparing These Plants

Clarkia

What are the light requirements for Clarkia?

Clarkia requires at least six hours of direct sunlight per day to thrive and produce abundant blooms. In hotter climates, some afternoon shade can be beneficial to prevent scorching of the delicate petals. When grown indoors, place Clarkia near a south-facing window where it can receive ample sunlight. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can result in leggy growth and reduced flowering. Supplemental lighting, such as grow lights, can be used to provide additional light, especially during the shorter days of winter.

How do I care for Clarkia?

Clarkia thrives in well-draining soil and prefers full sun to partial shade. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize lightly with a balanced fertilizer every few weeks during the growing season to promote abundant blooms. Deadhead spent flowers to encourage continuous flowering and prevent seed formation if self-seeding is not desired. Clarkia prefers cooler temperatures and can tolerate light frost. Protect from strong winds to prevent stems from breaking. Provide support for taller varieties to prevent them from flopping over. Monitor for pests such as aphids and treat as needed. Ensure good air circulation to prevent fungal diseases.

How do I propagate Clarkia?

Clarkia is typically propagated by seed. Direct sow seeds in the garden in early spring or fall. For earlier blooms, start seeds indoors 6-8 weeks before the last frost. Sow seeds thinly on the surface of well-draining soil and lightly cover with soil. Keep the soil moist until germination occurs, which usually takes 7-14 days. Thin seedlings to allow for adequate spacing. Clarkia can also self-seed readily in the garden. However, other propagation methods like division or stem cuttings are generally not used for Clarkia due to its growth habit and life cycle. Focus on seed saving for future planting seasons.

Parasol Tree

What are the light requirements for Parasol Tree?

Parasol Trees thrive in bright, indirect light. While they can tolerate lower light conditions, they will grow best and maintain their vibrant color with ample light exposure. Avoid placing the plant in direct sunlight, especially during the hottest part of the day, as this can scorch the leaves. An east-facing window is often ideal, providing gentle morning sun. A north-facing window may also work, but the plant might not grow as quickly. If you don’t have a suitable window, you can supplement with artificial grow lights. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can lead to leggy growth and faded leaf color.

How do I care for Parasol Tree?

Provide your Parasol Tree with bright, indirect light; direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain a stable temperature between 65-75°F (18-24°C) and avoid sudden temperature fluctuations. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years, or when the plant becomes root-bound, using a well-draining potting mix. Prune regularly to maintain shape and encourage bushier growth. Wipe leaves with a damp cloth to remove dust and pests. Monitor for common pests like spider mites and mealybugs, treating promptly if detected. Provide adequate humidity, especially during dry winter months, by misting regularly or using a humidifier. Rotate the plant periodically to ensure even growth on all sides. Avoid overwatering, which is a common cause of problems.

How do I propagate Parasol Tree?

Parasol Trees can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil moist and provide warmth and humidity. Roots should develop in a few weeks. For air layering, make a small cut on a stem, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the plastic wrap with tape. Once roots develop, cut the stem below the roots and pot the new plant. Spring and summer are the best times for propagation. Ensure the cutting or air layer receives bright, indirect light. Maintain stable conditions during the rooting process.

Last updated: May 1, 2026 — Plant care data reviewed and verified by our editorial team.